The head rolling phenomenon.
Swillinger
E
E
D005260:Female; D006257:Head / Q000502:physiology*; D006801:Humans; D001239:Inhalation / Q000502:physiology*; D008297:Male; D009068:Movement / Q000502:physiology; D009334:Neck Muscles / Q000503:physiopathology; D012119:Respiration / Q000502:physiology*